Fund · Vanguard Long-Term Treasury Index Fund · measured from SEC filings
VGLT holdings
VGLT reports 98 holdings and behaves like 75.1 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-05-31. The fact sheet publishes the first number; this page computes the second, and traces it across 27 quarters of filings.
Measured concentration
as of 2026-05-31Computed by this site from the fund's SEC Form N-PORT filing; what the measure does not tell you · every fund in one table · hold it with other funds? X-ray the mix. Pricing: 1.08% at a quoted market price (level 1), one issuer country.
What stands out
as of 2026-05-31VGLT's largest investment is US Treasury N/B at 2.22% of net assets. US Treasury N/B and US Treasury N/B follow; the three together are 6.65%. Ten companies are 21.65% of the fund; the other 88 share the rest. Among the 192 bond funds measured here, VGLT behaves like 75.1 holdings against a median of 236.4 — 3.1 times more concentrated than the median. Across 27 quarterly filings VGLT has become less concentrated: it behaved like 41.3 at 2019-11-30 and 75.1 at 2026-05-31. Between the 2026-02-28 and 2026-05-31 filings 2 positions were added and 1 dropped; 3.7% of the weight moved.
Each sentence is read from the fund's own SEC filing; the class median is computed across the comparable bond funds on this site. Nothing here is a view on the fund.
Every filing since 2019
27Between 2019-11-30 and 2026-05-31, VGLT went from behaving like 41.3 equally weighted positions to 75.1 — 82% more, while its top ten went from 32.3% to 21.65% of net assets. Read across the funds on the concentration-over-time table.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2026-05-31 | 98 | 75.1 | 21.65% | 2.24% |
| 2026-02-28 | 97 | 74.2 | 21.95% | 2.31% |
| 2025-11-30 | 95 | 72.2 | 22.18% | 2.4% |
| 2025-08-31 | 95 | 71.1 | 22.2% | 2.5% |
| 2025-05-31 | 93 | 70.1 | 22.5% | 2.56% |
| 2025-02-28 | 89 | 68.1 | 22.91% | 2.68% |
| 2024-11-30 | 89 | 66 | 23.29% | 2.83% |
| 2024-08-31 | 85 | 64.8 | 23.57% | 2.85% |
Earlier filings (19 more, back to 2019-11-30)
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2024-05-31 | 85 | 63.9 | 23.49% | 3.01% |
| 2024-02-29 | 83 | 62.5 | 23.8% | 3.15% |
| 2023-11-30 | 79 | 61.5 | 24.1% | 2.95% |
| 2023-08-31 | 77 | 60 | 24.56% | 2.7% |
| 2023-05-31 | 75 | 58.4 | 25.44% | 2.81% |
| 2023-02-28 | 73 | 57.1 | 25.96% | 3.06% |
| 2022-11-30 | 72 | 55.7 | 26.44% | 3% |
| 2022-08-31 | 71 | 53.6 | 27.65% | 3.22% |
| 2022-05-31 | 68 | 51.6 | 28.67% | 3.38% |
| 2022-02-28 | 65 | 49.1 | 30.25% | 3.69% |
| 2021-11-30 | 64 | 47.6 | 30.25% | 3.71% |
| 2021-08-31 | 62 | 47.4 | 29.9% | 3.33% |
| 2021-05-31 | 61 | 46.8 | 30.42% | 3.52% |
| 2021-02-28 | 61 | 46.1 | 30.85% | 3.54% |
| 2020-11-30 | 59 | 44.5 | 30.96% | 4.1% |
| 2020-08-31 | 58 | 43.1 | 31.33% | 4.79% |
| 2020-05-31 | 54 | 39.8 | 33.37% | 6.17% |
| 2020-02-29 | 52 | 41.5 | 32.27% | 3.64% |
| 2019-11-30 | 52 | 41.3 | 32.3% | 3.52% |
One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.
Largest positions, as filed
as of 2026-05-31The 15 largest of 98 positions in VGLT's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: VGLT.csv.gz.
| # | Position | Weight | Cumulative |
|---|---|---|---|
| 1 | United States Treasury Note/Bond | 2.24% | 2.2% |
| 2 | United States Treasury Note/Bond | 2.23% | 4.5% |
| 3 | United States Treasury Note/Bond | 2.23% | 6.7% |
| 4 | United States Treasury Note/Bond | 2.19% | 8.9% |
| 5 | United States Treasury Note/Bond | 2.19% | 11.1% |
| 6 | United States Treasury Note/Bond | 2.19% | 13.3% |
| 7 | United States Treasury Note/Bond | 2.15% | 15.4% |
| 8 | United States Treasury Note/Bond | 2.14% | 17.5% |
| 9 | United States Treasury Note/Bond | 2.05% | 19.6% |
| 10 | United States Treasury Note/Bond | 2.05% | 21.7% |
| 11 | United States Treasury Note/Bond | 1.84% | 23.5% |
| 12 | United States Treasury Note/Bond | 1.65% | 25.1% |
| 13 | United States Treasury Note/Bond | 1.56% | 26.7% |
| 14 | United States Treasury Note/Bond | 1.54% | 28.2% |
| 15 | United States Treasury Note/Bond | 1.52% | 29.8% |
Returns the fund reported
2019-09 – 2026-05Monthly total returns from Item B.5 of VGLT's own filings, 81 months on record. Not computed here and not from a price feed.
Cross-checked against a series computed separately from prices: median difference 0.04 percentage points over 81 months, which is roughly the distributions. Every month with the filing it came from: VGLT.json · all funds.
Since the previous filing
2026-02-28 → 2026-05-3197 positions became 98: 2 added (3.6% of the fund at the later date), 1 dropped (0.2% at the earlier date). Half the sum of all weight changes, a turnover proxy: 3.7%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of VGLT compared this way, as a feed: changes.xml · all funds: filings received.
| Largest increases | 2026-02-28 | 2026-05-31 | Largest decreases | 2026-02-28 | 2026-05-31 |
|---|---|---|---|---|---|
| Vanguard Cmt Funds-Vanguard Market Liquidity Fund | 0.98% | 1.08% | United States Treasury Note/Bond | 2.31% | 2.23% |
| United States Treasury Note/Bond | 0.42% | 0.43% | United States Treasury Note/Bond | 0.79% | 0.71% |
| United States Treasury Note/Bond | 0.42% | 0.44% | United States Treasury Note/Bond | 2.31% | 2.22% |
| United States Treasury Note/Bond | 0.68% | 0.69% | United States Treasury Note/Bond | 0.81% | 0.73% |
| United States Treasury Note/Bond | 0.76% | 0.77% | United States Treasury Note/Bond | 2.27% | 2.19% |
| United States Treasury Note/Bond | 0.31% | 0.31% | United States Treasury Note/Bond | 1.18% | 1.10% |
New: United States Treasury Note/Bond (2.24%), United States Treasury Note/Bond (1.35%). Gone: United States Treasury Note/Bond (0.23%).
Asset categories and pricing
as of 2026-05-3198.92% debt, 1.08% short-term investment as filed; 1.1% carried at a quoted market price (fair-value level 1). Categories and levels are the filer's; what a low level-1 share does and does not mean is in the measure's page.
Neighbours by effective holdings, debt funds
10Every measured debt fund lined up by how many holdings it behaves like; these sit either side of VGLT (75.1). Same filings, same arithmetic. Position in this list says nothing about which fund is better.
| Fund | Reports | Behaves like | Top ten | As of |
|---|---|---|---|---|
| VGUS Vanguard Ultra-Short Treasury ETF | 91 | 62.1 | 27.78% | 2026-06-30 |
| TBLL Invesco Short Term Treasury ETF | 83 | 62.5 | 24.65% | 2026-05-31 |
| PRIV State Street(R) IG Public & Private Credit ETF | 347 | 68.7 | 30.66% | 2026-07-31 |
| IEI iShares 3-7 Year Treasury Bond ETF | 84 | 70.7 | 22.23% | 2026-05-31 |
| JFLX JPMorgan Flexible Debt ETF | 1,630 | 73.4 * | 22.52% | 2026-05-31 |
| SPTL State Street(R) SPDR(R) Portfolio Long Term Treasury ETF | 101 | 75.8 | 21.59% | 2026-06-30 |
| SCHQ Schwab Long-Term U.S. Treasury ETF | 100 | 75.9 | 21.59% | 2026-06-30 |
| GTO Invesco Total Return Bond ETF | 1,793 | 78.9 | 29.04% | 2026-07-31 |
| SYSB iShares Systematic Bond ETF | 838 | 79 | 26.34% | 2026-07-31 |
| JCPB JPMorgan Core Plus Bond ETF | 2,677 | 81.3 | 21.19% | 2026-05-31 |
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